Coast Guard Sector Columbia River MH-60 helicopter file photoSEATTLE — A Coast Guard aircrew hoisted two female teenagers Wednesday afternoon near Fort Stevens State Park in Hammond, Oregon. At 5 p.m., watchstanders at the Coast Guard Sector Columbia River Command Center received a request for assistance from Astoria dispatch reporting a 14-year-old and 18-year-old female stranded on rocks in a lagoon. They...